diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 129 |
1 files changed, 90 insertions, 39 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 9c26ba7..db524e7 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1,10 +1,3 @@ -# -# For a description of the syntax of this configuration file, -# see Documentation/kbuild/kconfig-language.txt. -# - -mainmenu "Linux Kernel Configuration" - config ARM bool default y @@ -13,19 +6,23 @@ config ARM select HAVE_MEMBLOCK select RTC_LIB select SYS_SUPPORTS_APM_EMULATION - select GENERIC_ATOMIC64 if (!CPU_32v6K) + select GENERIC_ATOMIC64 if (!CPU_32v6K || !AEABI) select HAVE_OPROFILE if (HAVE_PERF_EVENTS) select HAVE_ARCH_KGDB select HAVE_KPROBES if (!XIP_KERNEL) select HAVE_KRETPROBES if (HAVE_KPROBES) select HAVE_FUNCTION_TRACER if (!XIP_KERNEL) + select HAVE_FTRACE_MCOUNT_RECORD if (!XIP_KERNEL) + select HAVE_DYNAMIC_FTRACE if (!XIP_KERNEL) select HAVE_GENERIC_DMA_COHERENT select HAVE_KERNEL_GZIP select HAVE_KERNEL_LZO select HAVE_KERNEL_LZMA + select HAVE_IRQ_WORK select HAVE_PERF_EVENTS select PERF_USE_VMALLOC select HAVE_REGS_AND_STACK_ACCESS_API + select HAVE_HW_BREAKPOINT if (PERF_EVENTS && (CPU_V6 || CPU_V7)) help The ARM series is a line of low-power-consumption RISC chip designs licensed by ARM Ltd and targeted at embedded applications and @@ -145,6 +142,9 @@ config ARCH_HAS_CPUFREQ and that the relevant menu configurations are displayed for it. +config ARCH_HAS_CPU_IDLE_WAIT + def_bool y + config GENERIC_HWEIGHT bool default y @@ -510,6 +510,7 @@ config ARCH_MMP select GENERIC_CLOCKEVENTS select TICK_ONESHOT select PLAT_PXA + select SPARSE_IRQ help Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line. @@ -565,6 +566,7 @@ config ARCH_TEGRA select HAVE_CLK select COMMON_CLKDEV select ARCH_HAS_BARRIERS if CACHE_L2X0 + select ARCH_HAS_CPUFREQ help This enables support for NVIDIA Tegra based systems (Tegra APX, Tegra 6xx and Tegra 2 series). @@ -587,6 +589,7 @@ config ARCH_PXA select GENERIC_CLOCKEVENTS select TICK_ONESHOT select PLAT_PXA + select SPARSE_IRQ help Support for Intel/Marvell's PXA2xx/PXA3xx processor line. @@ -643,7 +646,7 @@ config ARCH_S3C2410 select ARCH_HAS_CPUFREQ select HAVE_CLK select ARCH_USES_GETTIMEOFFSET - select HAVE_S3C2410_I2C + select HAVE_S3C2410_I2C if I2C help Samsung S3C2410X CPU based systems, such as the Simtec Electronics BAST (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or @@ -673,22 +676,23 @@ config ARCH_S3C64XX select S3C_DEV_NAND select USB_ARCH_HAS_OHCI select SAMSUNG_GPIOLIB_4BIT - select HAVE_S3C2410_I2C - select HAVE_S3C2410_WATCHDOG + select HAVE_S3C2410_I2C if I2C + select HAVE_S3C2410_WATCHDOG if WATCHDOG help Samsung S3C64XX series based systems -config ARCH_S5P6440 - bool "Samsung S5P6440" +config ARCH_S5P64X0 + bool "Samsung S5P6440 S5P6450" select CPU_V6 select GENERIC_GPIO select HAVE_CLK - select HAVE_S3C2410_WATCHDOG + select HAVE_S3C2410_WATCHDOG if WATCHDOG select ARCH_USES_GETTIMEOFFSET - select HAVE_S3C2410_I2C - select HAVE_S3C_RTC + select HAVE_S3C2410_I2C if I2C + select HAVE_S3C_RTC if RTC_CLASS help - Samsung S5P6440 CPU based systems + Samsung S5P64X0 CPU based systems, such as the Samsung SMDK6440, + SMDK6450. config ARCH_S5P6442 bool "Samsung S5P6442" @@ -696,7 +700,7 @@ config ARCH_S5P6442 select GENERIC_GPIO select HAVE_CLK select ARCH_USES_GETTIMEOFFSET - select HAVE_S3C2410_WATCHDOG + select HAVE_S3C2410_WATCHDOG if WATCHDOG help Samsung S5P6442 CPU based systems @@ -707,31 +711,37 @@ config ARCH_S5PC100 select CPU_V7 select ARM_L1_CACHE_SHIFT_6 select ARCH_USES_GETTIMEOFFSET - select HAVE_S3C2410_I2C - select HAVE_S3C_RTC - select HAVE_S3C2410_WATCHDOG + select HAVE_S3C2410_I2C if I2C + select HAVE_S3C_RTC if RTC_CLASS + select HAVE_S3C2410_WATCHDOG if WATCHDOG help Samsung S5PC100 series based systems config ARCH_S5PV210 bool "Samsung S5PV210/S5PC110" select CPU_V7 + select ARCH_SPARSEMEM_ENABLE select GENERIC_GPIO select HAVE_CLK select ARM_L1_CACHE_SHIFT_6 + select ARCH_HAS_CPUFREQ select ARCH_USES_GETTIMEOFFSET - select HAVE_S3C2410_I2C - select HAVE_S3C_RTC - select HAVE_S3C2410_WATCHDOG + select HAVE_S3C2410_I2C if I2C + select HAVE_S3C_RTC if RTC_CLASS + select HAVE_S3C2410_WATCHDOG if WATCHDOG help Samsung S5PV210/S5PC110 series based systems config ARCH_S5PV310 bool "Samsung S5PV310/S5PC210" select CPU_V7 + select ARCH_SPARSEMEM_ENABLE select GENERIC_GPIO select HAVE_CLK select GENERIC_CLOCKEVENTS + select HAVE_S3C_RTC if RTC_CLASS + select HAVE_S3C2410_I2C if I2C + select HAVE_S3C2410_WATCHDOG if WATCHDOG help Samsung S5PV310 series based systems @@ -747,6 +757,15 @@ config ARCH_SHARK Support for the StrongARM based Digital DNARD machine, also known as "Shark" (<http://www.shark-linux.de/shark.html>). +config ARCH_TCC_926 + bool "Telechips TCC ARM926-based systems" + select CPU_ARM926T + select HAVE_CLK + select COMMON_CLKDEV + select GENERIC_CLOCKEVENTS + help + Support for Telechips TCC ARM926-based systems. + config ARCH_LH7A40X bool "Sharp LH7A40X" select CPU_ARM922T @@ -812,7 +831,7 @@ config ARCH_OMAP select GENERIC_CLOCKEVENTS select ARCH_HAS_HOLES_MEMORYMODEL help - Support for TI's OMAP platform (OMAP1 and OMAP2). + Support for TI's OMAP platform (OMAP1/2/3/4). config PLAT_SPEAR bool "ST SPEAr" @@ -915,6 +934,8 @@ source "arch/arm/plat-s5p/Kconfig" source "arch/arm/plat-spear/Kconfig" +source "arch/arm/plat-tcc/Kconfig" + if ARCH_S3C2410 source "arch/arm/mach-s3c2400/Kconfig" source "arch/arm/mach-s3c2410/Kconfig" @@ -928,7 +949,7 @@ if ARCH_S3C64XX source "arch/arm/mach-s3c64xx/Kconfig" endif -source "arch/arm/mach-s5p6440/Kconfig" +source "arch/arm/mach-s5p64x0/Kconfig" source "arch/arm/mach-s5p6442/Kconfig" @@ -1002,7 +1023,7 @@ endif config ARM_ERRATA_411920 bool "ARM errata: Invalidation of the Instruction Cache operation can fail" - depends on CPU_V6 && !SMP + depends on CPU_V6 help Invalidation of the Instruction Cache operation can fail. This erratum is present in 1136 (before r1p4), 1156 and 1176. @@ -1181,13 +1202,13 @@ source "kernel/time/Kconfig" config SMP bool "Symmetric Multi-Processing (EXPERIMENTAL)" - depends on EXPERIMENTAL && (REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP ||\ - MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4 ||\ - ARCH_S5PV310 || ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4) + depends on EXPERIMENTAL depends on GENERIC_CLOCKEVENTS + depends on REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP || \ + MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4 ||\ + ARCH_S5PV310 || ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4 select USE_GENERIC_SMP_HELPERS - select HAVE_ARM_SCU if ARCH_REALVIEW || ARCH_OMAP4 || ARCH_S5PV310 ||\ - ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4 + select HAVE_ARM_SCU help This enables support for systems with more than one CPU. If you have a system with only one CPU, like most personal computers, say N. If @@ -1201,10 +1222,23 @@ config SMP See also <file:Documentation/i386/IO-APIC.txt>, <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at - <http://www.linuxdoc.org/docs.html#howto>. + <http://tldp.org/HOWTO/SMP-HOWTO.html>. If you don't know what to do here, say N. +config SMP_ON_UP + bool "Allow booting SMP kernel on uniprocessor systems (EXPERIMENTAL)" + depends on EXPERIMENTAL + depends on SMP && !XIP && !THUMB2_KERNEL + default y + help + SMP kernels contain instructions which fail on non-SMP processors. + Enabling this option allows the kernel to modify itself to make + these instructions safe. Disabling it allows about 1K of space + savings. + + If you don't know what to do here, say Y. + config HAVE_ARM_SCU bool depends on SMP @@ -1255,12 +1289,9 @@ config HOTPLUG_CPU config LOCAL_TIMERS bool "Use local timer interrupts" - depends on SMP && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || \ - REALVIEW_EB_A9MP || MACH_REALVIEW_PBX || ARCH_OMAP4 || \ - ARCH_S5PV310 || ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4) + depends on SMP default y - select HAVE_ARM_TWD if ARCH_REALVIEW || ARCH_OMAP4 || ARCH_S5PV310 || \ - ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS + select HAVE_ARM_TWD help Enable support for local timers on SMP platforms, rather then the legacy IPI broadcast method. Local timers allows the system @@ -1271,7 +1302,7 @@ source kernel/Kconfig.preempt config HZ int - default 200 if ARCH_EBSA110 || ARCH_S3C2410 || ARCH_S5P6440 || \ + default 200 if ARCH_EBSA110 || ARCH_S3C2410 || ARCH_S5P64X0 || \ ARCH_S5P6442 || ARCH_S5PV210 || ARCH_S5PV310 default OMAP_32K_TIMER_HZ if ARCH_OMAP && OMAP_32K_TIMER default AT91_TIMER_HZ if ARCH_AT91 @@ -1477,6 +1508,20 @@ config UACCESS_WITH_MEMCPY However, if the CPU data cache is using a write-allocate mode, this option is unlikely to provide any performance gain. +config SECCOMP + bool + prompt "Enable seccomp to safely compute untrusted bytecode" + ---help--- + This kernel feature is useful for number crunching applications + that may need to compute untrusted bytecode during their + execution. By using pipes or other transports made available to + the process as file descriptors supporting the read/write + syscalls, it's possible to isolate those applications in + their own address space using seccomp. Once seccomp is + enabled via prctl(PR_SET_SECCOMP), it cannot be disabled + and the task is only allowed to execute a few safe syscalls + defined by each seccomp mode. + config CC_STACKPROTECTOR bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)" help @@ -1623,6 +1668,12 @@ if ARCH_HAS_CPUFREQ source "drivers/cpufreq/Kconfig" +config CPU_FREQ_IMX + tristate "CPUfreq driver for i.MX CPUs" + depends on ARCH_MXC && CPU_FREQ + help + This enables the CPUfreq driver for i.MX CPUs. + config CPU_FREQ_SA1100 bool |
